Abstract
WE know from observation that even the most rapidly rotating neutron stars—those of the Crab and Vela—are slow rotators, in the sense that their angular momentum is of negligible structural importance. In fact, at least for these pulsars, estimates based on their current slowdown rates indicate their rotation frequencies at birth were probably only a few times higher than the present ones1, even though the main sequence progenitors probably had much more angular momentum per unit mass. The purpose of the present note is to examine the degree to which one can attribute such a decrease in the angular momentum per unit mass to neutrino radiation emitted during the formation of the neutron star from the collapse of a sufficiently massive stellar core.
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References
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KAZANAS, D. Neutrino angular momentum losses in stellar collapse. Nature 267, 501–502 (1977). https://doi.org/10.1038/267501a0
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DOI: https://doi.org/10.1038/267501a0
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